20121382 is an even 8-digits composite number following 20121381
and preceding 20121383 . In scientific notation, it is written as 2.0121382 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 10012800 positive integers (up to 20121382) that are relatively prime to 20121382.
20121382 has 8 divisors, whose sum is 30325752
The reverse of 20121382 is 28312102
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred twenty-one thousand three hundred eighty-two
Scientific notation
2.0121382 × 10^7
Engineering notation
2.0121382 × 10^6
Prime Factorization
2 × 211 × 47681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121382
Product of the distinct prime numbers
The prime factorization of 20121382 is 2 × 211 × 47681.
Since it has a total of 3 prime factors.
10 , 1 , 87 , 32 , 345 , 438 , 6278 , 3105 , 95006 , 12285 , 717945 , 64454 , 4773811 , 5557632 , 85152383 , 84807182 , 645327911 , 30873356 , 2197289026 , 5157958648
n×2
40242764
n×3
60364146
n×4
80485528
n×5
100606910
n÷2
10060691
n÷3
6707127.3333333
n÷3
5030345.5
n÷5
4024276.4
n2
404870013589924
n3
8.1465442037881E+21
n4
1.6391972790431E+29
n5
3.2982914624986E+36
2 √n
4485.6863465918
3 √n
271.98979020212
4 √n
66.975266678019
5 √n
28.888936961849
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121381
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121382 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121382) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011100100110
3
Ternary
1101212021100101
4
Quaternary
1030300130212
5
Quinary
20122341012
6
Senary
1555134314
8
Octal
114603446
10
Decimal
20121382
12
Duodecimal
68a439a
16
Hexadecimal
1330726
20
Vigesimal
65f392
36
Base36
bz9ra
md5
5fd308f37dc53f27b2b2a64c3daac6f8
sha1
89adf25b105072e8164f169d7fcc65799f8cfee7
sha256
3c52fc15eb74cd813609891a41df21c4bdf8f4783ca2bf94d115b68faa0a06f6
sha512
d9b006baa3cfcf53bd555fe22797b6ef41136e76dd0139230ade97307e00b628f7969ec6aec9fbb4ddf63108d539846a2d63bb1ef6d358c849565e2936d3c5b3
ripemd-160
d7129cbee146346e03a012d95469af6d5dd08ec4
Diameter
40242764
Circumference
126426371.74255
Area
1.2719366603529E+15
Volume
3.4124164563687E+22
Surface area
5.0877466414116E+15
Circumference
126426371.74255
Perimeter
80485528
Area
404870013589924
Diagonal
28455931.31809
Surface area
2429220081539544
Volume
8.1465442037881E+21
Space diagonal
34851255.942502
Perimeter
60364146
Area
1.7531385849971E+14
Altitude
17425627.971251
Surface area
1.7531385849971E+14
Volume
9.6007944162242E+20
Height
9485310.4393633